#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>
#include<math.h>
int main()
{
    double weight = 0;
    double height = 0;
    scanf("%lf%lf", &weight, &height);
    double BIM = weight / pow(height, 2);
    if (BIM >= 18.5 && BIM <= 23.9)
        printf("Normal\n");
    else
        printf("Abnormal\n");

    return 0;
}